WORKHORSE CUSTOM CHASSIS
Service Manual
W SeriesWCC
SECTION
6.2
PAGE
75
Engine Mechanical
W Series Chassis
TOC
© 2006 WorkhorseCustom Chassis — All Rights Reserved
4.8L/6.0 (LR4/LQ4) ENGINES
FASTENER TIGHTENING SPECIFICATIONS (LR4 VIN V/LR4 VIN U)
Application
Specifi cation
Metric English
Air Cleaner Outlet Duct Clamp Screw
7 N·m 62 lb in
Air Conditioning (A/C) Belt Tensioner Bolt
50 N·m 37 lb ft
Air Conditioning (A/C) Compressor Bolt
50 N·m 37 lb ft
Air Conditioning (A/C) Discharge Hose Bolt
16 N·m 12 lb ft
Air Conditioning (A/C) Suction Hose Bolt
16 N·m 12 lb ft
Auxiliary Heater Water Pump Bracket Bolt - RPO HP
15 N·m 11 lb ft
Battery Cable Channel Bolt
12 N·m 106 lb in
Battery Cable Junction Block Bracket Bolt - RPO HP2
9 N·m 80 lb in
Camshaft Position (CMP) Sensor Bolt
25 N·m 18 lb ft
Camshaft Retainer Bolt - Hex Head Bolt
25 N·m 18 lb ft
Camshaft Retainer Bolt - TORX® Head Bolt
15 N·m 11 lb ft
Camshaft Sprocket Bolts
35 N·m 26 lb ft
Clutch Pressure Plate Bolt
70 N·m 53 lb ft
Connecting Rod Bolts - First Pass
20 N·m 15 lb ft
Connecting Rod Bolts - Final Pass
75 degrees
Coolant Temperature Sensor
20 N·m 15 lb ft
Crankshaft Balancer Bolt - Installation Pass - to Ensure the Balancer is Completely Installed
330 N·m 240 lb ft
Crankshaft Balancer Bolt - First Pass - Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final
Passes 50 N·m 37 lb ft
Crankshaft Balancer Bolt - Final Pass
140 degrees
Crankshaft Bearing Cap M8 Bolts
25 N·m 18 lb ft
Crankshaft Bearing Cap M10 Bolts - First Pass in Sequence
20 N·m 15 lb ft
Crankshaft Bearing Cap M10 Bolts - Final Pass in Sequence
80 degrees
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General